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Antibody Identification & Titer
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
5149
Alias/See Also
5149;
Red Cell Antibody Identification;
Red Cell Antibody Identification;
CPT Codes
86870;86886
Preferred Specimen
2 full large (6 mL) K2EDTA (lavender top or pink top) or 4 full (3 mL) K2EDTA (lavender top) tube(s).
Minimum Volume
(minimum 1 full large (6 mL) K2EDTA (lavender top or pink top) or two full (3 mL) K2EDTA (lavender top) tube(s).)
Instructions
Avoid hemolysis. Gently invert 10 times.
Transport Container
K2EDTA (lavender top) tube or K2EDTA (pink top) tube--not provided by CompuNet
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature = n/a
Refrigerated = 3 days
Frozen = n/a
Refrigerated = 3 days
Frozen = n/a
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Rejected for gross hemolysis
Methodology
Tube
Setup Schedule
Sunday - Saturday
RFMVH
RFMVH
Report Available
2 days
Reference Range
| SEX | AGE | Report Normals | Units |
| When the antibody titer is less than or equal to 1:8, no intervention is necessary. When the titer is greater than or equal to 1:32, amniocentesis or percutaneous umbilical cord blood sampling (cordocentesis) should be considered. (re. Int J Gynaecol Obstet 55(1996) 183-190). | |||
Clinical Significance
Antibody identification is needed to assess the risk of hemolytic disease of the newborn and to identify sensitized persons at risk in the setting of future transfusions.
Performing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439
Last Updated: August 5, 2022
